[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at apnic dot net>
  • Date: Sat, 4 Jun 2005 04:06:26 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 04 Jun, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              163814
          Prefixes after maximum aggregation:                           94933
          Unique aggregates announced to Internet:                      78989
      Total ASes present in the Internet Routing Table:                 19783
      Origin-only ASes present in the Internet Routing Table:           17224
      Origin ASes announcing only one prefix:                            8080
      Transit ASes present in the Internet Routing Table:                2559
      Transit-only ASes present in the Internet Routing Table:             73
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      26
      Prefixes from unregistered ASNs in the Routing Table:                18
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             14
      Number of addresses announced to Internet:                   1414258528
          Equivalent to 84 /8s, 75 /16s and 223 /24s
          Percentage of available address space announced:               38.2
          Percentage of allocated address space announced:               59.9
          Percentage of available address space allocated:               63.7
      Total number of prefixes smaller than registry allocations:       77173
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    33699
          Total APNIC prefixes after maximum aggregation:               15728
      Prefixes being announced from the APNIC address blocks:           31597
          Unique aggregates announced from the APNIC address blocks:    15795
      APNIC Region origin ASes present in the Internet Routing Table:    2284
      APNIC Region origin ASes announcing only one prefix:                668
      APNIC Region transit ASes present in the Internet Routing Table:    348
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              186078080
          Equivalent to 11 /8s, 23 /16s and 83 /24s
          Percentage of available APNIC address space announced:         69.0
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575
      APNIC Address Blocks   58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
                             220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                     88409
          Total ARIN prefixes after maximum aggregation:                53883
      Prefixes being announced from the ARIN address blocks:            69080
          Unique aggregates announced from the ARIN address blocks:     25401
      ARIN Region origin ASes present in the Internet Routing Table:     9978
      ARIN Region origin ASes announcing only one prefix:                3655
      ARIN Region transit ASes present in the Internet Routing Table:     941
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          18
      Number of ARIN addresses announced to Internet:               249193216
          Equivalent to 14 /8s, 218 /16s and 99 /24s
          Percentage of available ARIN address space announced:          70.7
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 198/7, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     31152
          Total RIPE prefixes after maximum aggregation:                21491
      Prefixes being announced from the RIPE address blocks:            28231
          Unique aggregates announced from the RIPE address blocks:     18967
      RIPE Region origin ASes present in the Internet Routing Table:     6708
      RIPE Region origin ASes announcing only one prefix:                3530
      RIPE Region transit ASes present in the Internet Routing Table:    1103
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               207269312
          Equivalent to 12 /8s, 90 /16s and 173 /24s
          Percentage of available RIPE address space announced:          72.7
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839
      RIPE Address Blocks    62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    8871
          Total LACNIC prefixes after maximum aggregation:               3068
      Prefixes being announced from the LACNIC address blocks:           7267
          Unique aggregates announced from the LACNIC address blocks:    4207
      LACNIC Region origin ASes present in the Internet Routing Table:    620
      LACNIC Region origin ASes announcing only one prefix:               192
      LACNIC Region transit ASes present in the Internet Routing Table:   118
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              19063584
          Equivalent to 1 /8s, 34 /16s and 227 /24s
          Percentage of available LACNIC address space announced:        56.8
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1659
          Total AfriNIC prefixes after maximum aggregation:               763
      Prefixes being announced from the AfriNIC address blocks:          1004
          Unique aggregates announced from the AfriNIC address blocks:    777
      AfriNIC Region origin ASes present in the Internet Routing Table:   126
      AfriNIC Region origin ASes announcing only one prefix:               35
      AfriNIC Region transit ASes present in the Internet Routing Table:   16
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2280192
          Equivalent to 0 /8s, 34 /16s and 203 /24s
          Percentage of available AfriNIC address space announced:        6.8
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks 41/8, 196/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4134      910       5146         190   CHINANET-BACKBONE
       1221      753       1438         542   Telstra Pty Ltd
       9583      751         55          61   Sify Limited
       4755      608        246         123   Videsh Sanchar Nigam Ltd. Aut
       4766      595       3413         279   Korea Telecom (KIX)
       7545      501         88          72   TPG Internet Pty Ltd
      17676      436       6589          75   Softbank BB Corp.
       9443      370         77          76   Primus Telecommunications
       9929      364        221          48   China Netcom Corp.
       2907      338       1805         315   SINET Japan
      10036      322         29         290   C&M Communication Co. Ltd.
      17557      314         22         151   Pakistan Telecom
       7474      310        271         213   SingTel Optus Pty Ltd
       4808      308        250         169   CNCGROUP IP network: China169
       9498      306         83          61   BHARTI BT INTERNET LTD.
       4802      286         48         163   Wantree Development
      17974      265         65          14   PT TELEKOMUNIKASI INDONESIA
      18302      264        108         148   SK Global co., Ltd
      17488      256         16           7   Hathway IP Over Cable Interne
       2764      254        238         199   AAPT Limited
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1488       6459         967   AT&T WorldNet Services
        174     1196       5611        1025   Cogent Communications
       4323     1123        647         217   Time Warner Telecom
        721     1109      21787         313   DLA Systems Automation Center
        701     1016       8186         855   UUNET Technologies, Inc. 
       6197      918        498         436   BellSouth Network Solutions, 
       1239      890       2869         645   Sprint 
       2386      856        532         636   AT&T Data Communications Serv
      18566      814        224           7   Covad Communications 
        209      653       3505         496   Qwest 
      20115      615        507         314   Charter Communications 
       3356      572      10842         437   Level 3 Communications, LLC 
      27364      564         43          18   Armstrong Cable Services 
       3561      533       2384         419   Savvis
        852      528       1095         390   Telus Advanced Communications
       3602      527        123         101   Sprint Canada, Inc. 
       5668      489        115          25   CenturyTel Internet Holdings,
      22773      488       1188          23   Cox Communications, Inc.
       7725      482         60          15   MediaOne 
       6198      465        386         220   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      594       2001         486   UUNET - Commercial IP service
       3320      304       3232         241   Deutsche Telekom AG
       3301      297       1085         285   TeliaNet Sweden
       8220      273        469         267   COLT Telecommunications
        680      252       2041         238   DFN-IP service G-WiN
       8708      230        254         214   Romania Data Systems S.A.
       3246      228        490         223   Song Networks
       1257      198        712         174   SWIPnet Swedish IP Network
       5515      178        778         128   Sonera Solution Autonomous Sy
        786      176       1794         176   The JANET IP Service
        719      170        340         102   LANLINK autonomous system
       6746      167         47         146   Dynamic Network Technologies,
       3269      166       1496          69   TELECOM ITALIA
       5400      160        285         136   BT Ignite European Backbone
       8866      156         21          11   Bulgarian Telecommunication C
       3300      153        184          86   AUCS Communications Services 
       6830      137        513          27   UPC Distribution Services
      25186      135        137          95   France Telecom Transpac's Tra
       1273      131        170          94   Cable & Wireless Deutschland 
       9051      131          8          30   INCONET Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      390        599         152   UniNet S.A. de C.V. 
      16814      265         16           7   NSS, S.A. 
      11172      221         98          53   Servicios Alestra S.A de C.V 
      11664      195         19          22   Keytech SA 
       6147      190        102          20   Telefonica Del Peru 
       7303      149         68          21   Telecom Argentina Stet-France
      14117      136          9           5   Telefonica del Sur S.A. 
       6505      133         90          89   Global One Communicaoes Ltda 
      22047      131         96           6   VTR PUNTO NET S.A. 
      11556      130         64           3   Cable-Wireless Panama 
      13999      113         52           9   Mega Cable S.A. de C.V. 
       6503      107        146          73   AVANTEL, S.A. 
      19632      107         14           5   Metropolis Intercom S.A. 
      18822      106          7          12   TELEFONICA MANQUEHUE 
      19169      102          6          17   Telconet 
      10481      101         40           7   Prima S.A. 
      22927       97         73          25   TELEFONICA DE ARGENTINA 
      23216       95         24          23   RAMtelecom Telecomunicaciones
      21826       93         12          19   INTERCABLE 
      11311       89          8          18   Sinectis S.A. 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      266        637         223   The Internet Solution 
       5536      119         15          17   Internet Egypt Network
       2018       91        295          86   Tertiary Education Network 
      20928       91         16           2   Noor Advanced Technologies AS
       8452       78         28           6   TEDATA
       2905       74        266          66   The Internetworking Company o
      24835       63         34           6   RAYA Telecom - Egypt
       6713       59         54           8   Itissalat Al-MAGHRIB
       9129       40          3           2   UUNET Kenya
      12455       38          6           3   Jambonet Autonomous system
       5713       36        142          29   Telkom SA Ltd 
      15475       32         84           4   Nile Online
       2609       31         26           3   Tunisia BackBone AS
      15706       31          8           3   Sudatel Internet Exchange Aut
       8524       24          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      33765       20          3           8   TANZANIA TELECOMMUNICATIONS C
      10798       19          1          11   Standard Bank of South Africa
      23889       18          5           6   MAURITIUS TELECOM
       7460       17          3           5   LIA Internet Access 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1123         906      Time Warner Telecom
      18566       814         807      Covad Communications 
        721      1109         796      DLA Systems Automation Center
       4134       910         720      CHINANET-BACKBONE
       9583       751         690      Sify Limited
      27364       564         546      Armstrong Cable Services 
       4755       608         485      Videsh Sanchar Nigam Ltd. Aut
       6197       918         482      BellSouth Network Solutions, 
       7725       482         467      MediaOne 
      22773       488         465      Cox Communications, Inc.
       5668       489         464      CenturyTel Internet Holdings,
       7545       501         429      TPG Internet Pty Ltd
       3602       527         426      Sprint Canada, Inc. 
       6467       424         390      E.Spire Communications, Inc. 
      17676       436         361      Softbank BB Corp.
       6140       405         328      ImpSat
       4766       595         316      Korea Telecom (KIX)
       9929       364         316      China Netcom Corp.
      20115       615         301      Charter Communications 
       9443       370         294      Primus Telecommunications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65009   PRIVATE       69.39.0.0/20         21803       1st Class Internet S
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      65004   PRIVATE       200.0.113.0/24       28477       Universidad Autonoma
      65004   PRIVATE       200.4.0.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.1.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.2.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.3.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.4.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.5.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.6.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.7.0/24         28477       Universidad Autonoma
      64512   PRIVATE       200.61.32.0/23       11664       Keytech SA 
      64512   PRIVATE       200.61.48.0/20       11664       Keytech SA 
      64512   PRIVATE       200.61.62.0/23       11664       Keytech SA 
      64512   PRIVATE       200.80.154.0/23      11664       Keytech SA 
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      65444   PRIVATE       212.25.125.0/24       8551       Bezeq International
      65024   PRIVATE       213.57.10.0/24       12849       Nonstop Internet Pro
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      50.160.0.0/13         1221     Telstra Pty Ltd
      132.0.0.0/10           721     DLA Systems Automation Center
      137.0.0.0/13           721     DLA Systems Automation Center
      158.0.0.0/13           721     DLA Systems Automation Center
      172.32.0.0/24         7011     Citizens Utilities 
      192.43.230.0/24       7575     Australian Academic and Rease
      192.44.0.0/24         5501     Fraunhofer Gesellschaft
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.70.164.0/24      25689     National Research Council of 
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T WorldNet Services
      192.172.0.0/19         721     DLA Systems Automation Center
      192.200.100.0/24      7018     AT&T WorldNet Services
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:3       /10:8       /11:15      /12:72      
      /13:158     /14:308     /15:598     /16:8410    /17:2566    /18:4415    
      /19:10354   /20:11224   /21:9175    /22:12579   /23:13696   /24:89297   
      /25:319     /26:271     /27:140     /28:45      /29:31      /30:78      
      /31:0       /32:33      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      798           814      Covad Communications 
       6197      749           918      BellSouth Network Solutions, 
       7018      679          1488      AT&T WorldNet Services
       2386      605           856      AT&T Data Communications Serv
       9583      567           751      Sify Limited
      27364      555           564      Armstrong Cable Services 
       4323      537          1123      Time Warner Telecom
       7725      453           482      MediaOne 
       4766      412           595      Korea Telecom (KIX)
       5668      403           489      CenturyTel Internet Holdings,
       1239      374           890      Sprint 
        702      366           594      UUNET - Commercial IP service
       6198      340           465      BellSouth Network Solutions, 
      10036      322           322      C&M Communication Co. Ltd.
       7011      304           354      Citizens Utilities 
       6467      297           424      E.Spire Communications, Inc. 
       9929      283           364      China Netcom Corp.
       6517      273           295      Yipes Communications, Inc. 
      15270      273           293      PaeTec.net -a division of Pae
      11456      270           309      Carolina Online, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         8:15       12:1551     13:1        15:9        16:2      
        17:3        18:3        20:4        24:1159     30:2        32:69     
        33:4        38:122      40:53       44:3        47:2        52:4      
        55:2        56:3        57:21       58:88       59:41       60:49     
        61:815      62:611      63:1890     64:2752     65:2067     66:2859   
        67:575      68:526      69:1044     70:113      71:8        72:212    
        80:577      81:555      82:408      83:266      84:193      85:246    
        86:19      128:187     129:171     130:85      131:273     132:37     
       133:1       134:150     135:40      136:184     137:69      138:168    
       139:61      140:192     141:101     142:149     143:145     144:183    
       145:33      146:283     147:104     148:302     149:165     150:105    
       151:65      152:107     153:86      154:5       155:143     156:78     
       157:95      158:160     159:171     160:78      161:67      162:205    
       163:86      164:210     165:177     166:159     167:233     168:424    
       169:140     170:310     171:8       172:1       192:5721    193:3181   
       194:2407    195:1547    196:661     198:3934    199:3291    200:3979   
       201:142     202:5670    203:6241    204:3776    205:1998    206:2496   
       207:2808    208:2063    209:3302    210:1702    211:840     212:1205   
       213:1287    214:264     215:31      216:3452    217:1136    218:202    
       219:106     220:377     221:225     222:108    
      
      End of report